advanced monolithic systems, inc. www.advanced-monolithic.com phone (925) 443-0722 fax (925) 443-0723 advanced ams3106 monolithic 500ma low dropout voltage regulator systems rohs compliant features applications ? 0.6v to 6v in 100mv increments voltages available ? battery powered systems ? active high on/off control ? cellular phones ? output current of 500ma ? cordless telephones ? quiescent current of <1 a when in shutdown ? portable (notebook) computers ? low dropout voltage of 250mv at 500ma ? portable instrumentation ? wide supply voltage range 1.5v to 15v ? portable consumer equipment ? short circuit and thermal protection ? personal communication equipment ? power good function option ? radio control systems ? ceramic output capacitor ok ? low voltage systems ? reference bypass for low noise ? mp3 player general description the ams3106 is a 500ma low dropout fixed vo ltage regulator, featuring an internal electronic switch controlled by ttl or cmos logic levels. when the enable pin is pulled to a logic high level, the device is in the on state. designed specifically fo r battery powered applications where low quiescent current, low dropout and low standby current are required, the ams3106 is ideal to use in standby power systems. like other regulators the am s3106 series also includes in ternal current limiting and thermal shutdown. a high precision 0.6v voltage reference enab les the device to provide very low output voltages. a key feature includes a reference bypass pin to improve its low-noise performance for fixed output versions. ideal for space critical applications, the ams3106 is available in the 5-pin sot- 23 surface mount package and 8-pin soic. the power good option is used when the output voltage drop must be detected. if the output voltage drops by approximately 15% of its nominal value, the open collector on pg pin will pull down to low state. ordering information pin connections (top view) xx =specify the output voltage required so-8 (s) so-8 (s) so-8 (s) package type 5l sot-23 so-8 ams3106am1-xxbp AMS3106AS-XXBP ams3106m1-xxbp ams3106s-xxbp ams3106am1- xxpg AMS3106AS-XXBP ams3106m1-xxpg ams3106s-xxbp ams3106am1-adj ams3106as-adj ams3106m1-adj ams3106s-adj 5 lead sot-23 (m1) fixed voltage and bypass 5 lead sot-23 (m1) fixed voltage and power good 5 lead sot-23 (m1) adj voltage adj voltage fixed voltage and power good fixed voltage and b yp ass
advanced monolithic systems, inc. www.advanced-monolithic.com phone (925) 443-0722 fax (925) 443-0723 ams3106 absolute maximum ratings (note 1) input voltage 16v maximum junction temperature +150 c power dissipation internally limited storage temperature -65 c to +150 c thermal resistance (m1/so-8) 410/160 c/w lead temperature (soldering 25 sec) 265 c operating temperature range -40 c to +125 c esd rating 2kv electrical characteristics electrical characteristics at v in =v out +1v, i o =1ma, c in =10 f, c out = 22 f, v on/off = 2v unless otherwise specified. ams3106a-x ams3106-x parameter conditions min. typ. max. min. typ. max. units reference voltage (adjustable device option) 0.594 0.600 0.606 0.488 0.600 0.612 v output voltage (fixed output version) 1ma i o 500 ma -1 -2 1 2 -2 -3.5 2 3.5 % % line regulation v out +1v v in 15v 0.6 1 2 0.6 1 2 mv/v load regulation i l = 1ma to 500ma 0.1 0.4 0.8 0.1 0.4 0.8 mv/ma ground pin current i o = 0 ma i o = 500 ma 60 8 90 12 60 8 90 12 a ma dropout voltage i o = 500 ma 200 250 200 250 mv shutdown quiescent current v en 0.8v (shutdown) v en 0.8v (shutdown) 5 0.01 1 5 a a ripple rejection f = 1khz, c out =10 f 75 75 db output noise voltage 300hz< f <50khz, c o =10 f, 30 30 v short circuit current r l =0 ? 500 500 ma control terminal specifications (note 2) on/off input current v on/off = 0v v on/off = 5v 0 5 -1 15 0 5 -1 15 a a on/off input voltage high = output on low = output off 1.3 1.25 0.9 1.3 1.25 0.9 v v note 1: absolute maximum ratings are limits beyond which damage to the device may occur. for guaranteed performance limits and associat ed test conditions, see the electrical characteristics tables. note 2: the on/off inputs must be properly driven to prevent possible misoperation. note 3: limits appearing in boldface type apply over the entire junction temperature range for operation. limits appearing in normal type apply for t a = t j = 25 c. typical application circuit
advanced monolithic systems, inc. www.advanced-monolithic.com phone (925) 443-0722 fax (925) 443-0723 ams3106 package dimensions inches (millimeters) unless otherwise noted. 5 lead sot-23 plastic package (m1) 5 lead soic plastic package (s) 0-8 typ 0.010-0.020 (0.254-0.508) s (so-8 ) ams drw# 042293 x 45 0.016-0.050 (0.406-1.270) 0.008-0.010 (0.203-0.254) 0.004-0.010 (0.101-0.254) 0.014-0.019 (0.355-0.483) 0.053-0.069 (1.346-1.752) 0.050 (1.270) typ 0.150-0.157** (3.810-3.988) 0.228-0.244 (5.791-6.197) 0.189-0.197* (4.801-5.004) *dimension does not include mold flash. mold flash shall not exceed 0.006" (0.152mm) per side **dimension does not include interlead flash. interlead flash shall not exceed 0.010" (0.254mm) per side 12 34 87 65 0.059-0.070 (1.50-1.75) 0.014-0.020 (0.350-0.50) 0.110-0.120 (2.794-3.048) 0.102-0.118 (2.60-3.00) 0.037 (0.95) typ 0.075 (1.90) typ 0.018-0.024 (0.457-0.610) 10 nom 0.0035-0.0080 (0.090-0.20) (sot-23-5 ) ams drw# 051001 0.036-0.051 (0.090-1.30) 0.003 (0.150) max 0.018-0.024 (0.457-0.610) 10 nom
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